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Routes
Mountain biking trails
United States
California
San Mateo County
Portola Valley

Alpine Road loop from Portola Valley

Hard

3.4

(3)

33

riders

Alpine Road loop from Portola Valley

03:04

24.9km

600m

Mountain biking

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is right next to a parking lot.

Last updated: August 4, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Windy Hill Open Space Preserve

Coal Creek Open Space Preserve

Monte Bello Open Space Preserve

Los Trancos Open Space Preserve

Waypoints

A

Start point

Parking

Get Directions

1

4.60 km

Alpine Road

Highlight (Segment) • Cycleway

The Northern part of Alpine Road is a paved and curvy descent through wooded areas and runs parallel to Coal Mine Ridge Preserve, eventually connecting with the trailhead there.

Tip by

2

11.2 km

White Oak Trail is a nice flowy single track trail that meanders through a mixture of open grassland and shaded oak forests. You can enjoy both lowland views for plants/wildlife, and scenic overlooks.

Tip by

3

12.6 km

Monuments welcoming hikers to this 274-acre area nature preserve. There are nice views from here towards the Bay.

Tip by

B

24.9 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

9.13 km

8.27 km

5.58 km

978 m

496 m

448 m

Surfaces

8.64 km

8.28 km

6.10 km

1.11 km

658 m

116 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (690 m)

Lowest point (140 m)

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Weather

Powered by Foreca

Monday 10 August

28°C

12°C

-- %

Additional weather tips

Max wind speed: -- km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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